Low toxicity.
When in a metallic powdered form, titanium metal has a significant fire hazard and, when heated in air, an explosion hazard.
No environmental effects have been reported.

Effects of overexposure to titanium powder: Dust inhalation may cause tightness and pain in chest, coughing, and difficulty in

breathing. Contact with skin or eyes may cause irritation. Routes of entry: Inhalation, skin contact, eye contact.